HEART. HEART ATTACK. - Hard working muscle about the size your fist - Works like pump to send blood throught the body. What Is the Heart?. The Exterior of the Heart. - Below is a picture of the outside of a normal, healthy, human heart. A Healthy Heart Cross-Section.
-Below is a picture of the outside of a normal, healthy, human heart
- when an artery supplying your heart with blood and oxygen becomes blocked
Both men and women have heart attacks !!!
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